var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
var flash = require('connect-flash');
var mongoose = require('mongoose');
var _ = require('underscore');
var fs = require('fs');
var app = express();


var http = require('http').Server(app);

//var server = http.createServer(app);
//var server = http.listen(8080);
var io = require('socket.io')(http);

var db = mongoose.connect('mongodb://localhost:appStore');
var routes = require('./routes/index');
var users = require('./routes/users');
var admin = require('./routes/admin');


app.locals.moment = require('moment');
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
  resave: false,
  saveUninitialized: true,
  secret: "test"
}));
app.use(flash());
app.use('/', routes);
app.use('/users', users);
app.use('/admin', admin);

function handler(req,res) {
  fs.readFile(__dirname + '/chatRoom',function(err,data) {
    if(err) {
      res.writeHead(500);
      return res.end('Error loading chatRoom');
    }
    res.writeHead(200);
    res.end(data);
  });
}

//listen chat room
io.on('connection',function(socket) {
  socket.on('clientMes',function(content) {
    socket.emit('serverMes','you said:'+content);
    console.log(req.session.user);
    socket.broadcast.emit('serverMes', socket.id+'said:' + content);
  });
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;